<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .red {
        color: red !important;
      }
      .search {
        width: 300px;
        margin: 20px 0;
      }
      .my-form {
        display: flex;
        margin: 20px 0;
      }
      .my-form input {
        flex: 1;
        margin-right: 20px;
      }
      .table > :not(:first-child) {
        border-top: none;
      }
      .contain {
        display: flex;
        padding: 10px;
      }
      .list-box {
        flex: 1;
        padding: 0 30px;
      }
      .list-box a {
        text-decoration: none;
      }
      .echarts-box {
        width: 600px;
        height: 400px;
        padding: 30px;
        margin: 0 auto;
        border: 1px solid #ccc;
      }
      tfoot {
        font-weight: bold;
      }
      @media screen and (max-width: 1000px) {
        .contain {
          flex-wrap: wrap;
        }
        .list-box {
          width: 100%;
        }
        .echarts-box {
          margin-top: 30px;
        }
      }
    </style>
  </head>
  <body>
    <div id="app">
      <div class="contain">
        <!-- 左侧列表 -->
        <div class="list-box">
          <!-- 添加资产 -->
          <form class="my-form">
            <input
              type="text"
              class="form-control"
              placeholder="消费名称"
              v-model.trim="name"
            />
            <input
              type="text"
              class="form-control"
              placeholder="消费价格"
              v-model.number="price"
            />
            <button type="button" class="btn btn-primary" @click="addBill">
              添加账单
            </button>
          </form>

          <table class="table table-hover">
            <thead>
              <tr>
                <th>编号</th>

                <th>消费名称</th>

                <th>消费价格</th>

                <th>操作</th>
              </tr>
            </thead>

            <tbody>
              <tr v-for="(item,index) in list" :key="item.id">
                <td>{{ index+1 }}</td>

                <td>{{ item.name }}</td>

                <td :class="{ red:item.price>500 }">{{ item.price }}</td>

                <td><a href="javascript:;" @click="del(item.id)">删除</a></td>
              </tr>
            </tbody>

            <tfoot>
              <tr>
                <td colspan="4">消费总计： {{ totalPrice }}</td>
              </tr>
            </tfoot>
          </table>
        </div>

        <!-- 右侧图表 -->
        <div class="echarts-box" id="main"></div>
      </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.0/dist/echarts.min.js"></script>

    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>

    <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>

    <script>
      /**
       * 接口文档地址：
       * https://www.apifox.cn/apidoc/shared-24459455-ebb1-4fdc-8df8-0aff8dc317a8/api-53371058
       *
       * 功能需求：
       * 1. 基本渲染
       * 2. 添加功能
       * 3. 删除功能
       * 4. 饼图渲染
       */
      const app = new Vue({
        el: "#app",
        data: {
          list: [],
          name: "",
          price: "",
        },
        async created() {
          this.getBillApi();
        },
        mounted() {
          this.myChart = echarts.init(document.getElementById("main"));
          this.myChart.setOption({
            title: {
              text: "消费账单",
              left: "center",
            },
            tooltip: {
              trigger: "item",
            },
            legend: {
              orient: "vertical",
              left: "left",
            },
            series: [
              {
                name: "消费",
                type: "pie",
                radius: "50%",
                data: [],
                emphasis: {
                  itemStyle: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: "rgba(0, 0, 0, 0.5)",
                  },
                },
              },
            ],
          });
        },
        computed: {
          totalPrice() {
            return this.list
              .reduce((sum, item) => sum + item.price, 0)
              .toFixed(2);
          },
        },
        methods: {
          async del(id) {
            await axios({
              url: `https://applet-base-api-t.itheima.net/bill/${id}`,
              method: "delete",
              params: { id },
            });
            this.getBillApi();
          },
          async getBillApi() {
            const res = await axios({
              url: "https://applet-base-api-t.itheima.net/bill",
              params: {
                creator: "小美",
              },
            });
            this.list = res.data.data;
            
            this.myChart.setOption({
              series: [
                {
                  data: this.list.map(item => ({value:item.price,name:item.name}))
                },
              ],
            });
          },
          async addBill() {
            if (!this.name) {
              return alert("请输入名称");
            }

            if (typeof this.price !== "number" || this.price < 0) {
              return alert("请输入正确的价格");
            }
            await axios({
              url: "https://applet-base-api-t.itheima.net/bill",
              method: "post",
              data: {
                creator: "小美",
                name: this.name,
                price: this.price,
              },
            });
            this.getBillApi();
            this.name = "";
            this.price = "";
          },
        },
      });
    </script>
  </body>
</html>
